i don't expect we will hear from president obama today or really anyone from his administration. however, behind the scenes, i'm told he continues to monitor what's happening with the boston investigation. >> kristen wedger from 1600 pennsylvania. we will come back to you later. thank you. >> thanks. >>> the boston marathon bombing was the first terrorerist attack to take place on u.s. soil since 9/11. joining me now, massachusetts congressman john tierney who sits on the house subcommittee for national security, homeland defense and foreign operations. congressman, thanks for joining us by phone on this saturday. >> thanks for having me, craig. >> we saw those massive celebrations in the streets of boston, around boston last night. but as the dust settles today, what's the mood like there? how long is it going to take for folks to get back to normal? >> it will take a while longer. i think there's a great deal of relief being vented right now. people are just glad that these two individuals have been cap sbhaurd little bit of a caution out there as well, people wondering, as the